Since the sun has decided to make a meager attempt to enter our lives, I thought it would be a good time to remind people chronic sun exposure increases one’s risk for skin cancer.
Skin cancer is the most common form of cancer. There are three types of skin cancer; basal cell carcinoma, squamous cell carcinoma and melanoma. Skin cancers are more common than breast, colorectal, lung and prostate cancers. Melanoma is less common than basal cell carcinoma or squamous cell carcinoma, but more serious resulting in lower survival rates.
Skin cancer most frequently occurs in areas of chronic sun exposure, especially the face and back of the hands. Skin cancer is more common in outdoor workers, inhabitants of regions with high levels of annual sunshine, persons of fair complexion and individuals with blue eyes. Skin cancer can also occur as a delayed manifestation of trauma, burns or scars.
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Skin aging results from a combination of genetic factors and exposure to ultraviolet light. The function of a sunscreen is to absorb UVA and UVB wavelengths that contribute most to skin cell damage and the potential for malignant changes. The degree to which a sunscreen provides protection is known as the SPF, Sun Protection Factor. This number refers to the sunscreen’s ability to block out the sun’s burning rays. The higher the number, the stronger the product. SPF is not related to the length of time a sun block will be effective, therefore sunscreen needs to be applied frequently during sun exposure.
Sun beds are promoted commercially for cosmetic purposes. Tanning cannot occur without cell injury, therefore continued exposure to artificial light may cause damaging effects similar to chronic outdoor sun exposure.
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Be smart and safe. The Mayo Clinic recommends sunless tanning as a safe alternative to sunbathing. Spray tans as provided by salons or spas, and self tanning lotions and gels provide a warm glow without the risk of cell damage.
Wouldn’t you rather look 26 years old at age 40 than be 26 years old with an alligator face?
Dr. Ballard is a Board Certified Internist and Geriatrician with a specialist in Women’s Health. She practices in Enumclaw, 360-825-1389. Dr. Ballard’s comments are informational only and not to be construed as medical advice. Consult your personal physician for any medical issues.
